Quarterly report pursuant to Section 13 or 15(d)

Restructuring Charges (Details)

v3.19.3.a.u2
Restructuring Charges (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Restructuring Charges        
Restructuring charges $ 802 $ 1,718 $ 5,930 $ 1,622
Reconciliation of restructuring liability        
Costs charged to expense (802) (1,718) (5,930) (1,622)
Employee Severance        
Restructuring Charges        
Restructuring charges 962 961 4,587 877
Reconciliation of restructuring liability        
Beginning of period 1,515 2,837 1,865 9,629
Costs charged to expense (962) (961) (4,587) (877)
Costs paid or settled (1,252) (1,258) (5,229) (7,702)
Change in foreign exchange 2 16 4 (248)
End of period 1,227 2,556 1,227 2,556
Employee Severance | Film and Electrolytic [Member]        
Restructuring Charges        
Restructuring charges 100 300 300 300
Reconciliation of restructuring liability        
Costs charged to expense (100) (300) (300) (300)
Employee Severance | NEVADA | Solid Capacitors        
Restructuring Charges        
Restructuring and Related Cost, Incurred Cost 109      
Restructuring and Related Cost, Cost Incurred to Date 674   674  
Restructuring and Related Cost, Expected Cost 897   897  
Restructuring charges 100   700  
Reconciliation of restructuring liability        
Costs charged to expense (100)   (700)  
Employee Severance | Granna, Sweden [Member] | Film and Electrolytic [Member]        
Restructuring Charges        
Restructuring and Related Cost, Incurred Cost 13      
Restructuring and Related Cost, Cost Incurred to Date 732   732  
Restructuring and Related Cost, Expected Cost 732   732  
Restructuring charges     700  
Reconciliation of restructuring liability        
Costs charged to expense     (700)  
Manufacturing Relocation 1 [Member]        
Restructuring Charges        
Restructuring charges       745
Reconciliation of restructuring liability        
Costs charged to expense       (745)
Costs paid or settled 160   (1,342)  
Facility Closing [Member] | NEVADA | Solid Capacitors        
Restructuring Charges        
Restructuring and Related Cost, Incurred Cost (130)      
Restructuring and Related Cost, Cost Incurred to Date 2,730   2,730  
Restructuring and Related Cost, Expected Cost 2,098   2,098  
Facility Closing [Member] | Granna, Sweden [Member] | Film and Electrolytic [Member]        
Restructuring Charges        
Restructuring and Related Cost, Incurred Cost 0      
Restructuring and Related Cost, Cost Incurred to Date 4,242   4,242  
Restructuring and Related Cost, Expected Cost 4,242   4,242  
Manufacturing Relocation        
Restructuring Charges        
Restructuring charges (160) 757 1,343 745
Reconciliation of restructuring liability        
Beginning of period 325 310 316 330
Costs charged to expense 160 (757) (1,343) (745)
Costs paid or settled   (757)   (745)
Change in foreign exchange (2) 9 6 (11)
End of period 323 319 323 319
Manufacturing Relocation | NEVADA | Solid Capacitors        
Restructuring Charges        
Restructuring charges     (600)  
Reconciliation of restructuring liability        
Costs charged to expense     600  
Manufacturing Relocation | Granna, Sweden [Member] | Film and Electrolytic [Member]        
Restructuring Charges        
Restructuring charges     1,900  
Reconciliation of restructuring liability        
Costs charged to expense     (1,900)  
Employee severance 1 [Member]        
Restructuring Charges        
Restructuring charges       877
Reconciliation of restructuring liability        
Costs charged to expense       (877)
TOKIN [Member] | Employee Severance        
Restructuring Charges        
Restructuring charges   700   700
Reconciliation of restructuring liability        
Costs charged to expense   $ (700)   $ (700)
reorganization due to decline of MnO2 Products [Member] | Employee Severance | Solid Capacitors        
Restructuring Charges        
Restructuring and Related Cost, Incurred Cost 149      
Restructuring and Related Cost, Cost Incurred to Date 3,097   3,097  
Restructuring and Related Cost, Expected Cost 4,076   4,076  
Restructuring charges     1,500  
Reconciliation of restructuring liability        
Costs charged to expense     (1,500)  
reorganization due to decline of MnO2 Products [Member] | Facility Closing [Member] | Solid Capacitors        
Restructuring Charges        
Restructuring and Related Cost, Incurred Cost 0      
Restructuring and Related Cost, Cost Incurred to Date 0   0  
Restructuring and Related Cost, Expected Cost 0   0  
TOKIN [Member] | Employee Severance | Corporate Segment [Member]        
Restructuring Charges        
Restructuring charges     700  
Reconciliation of restructuring liability        
Costs charged to expense     (700)  
Ceramics [Member] | Employee Severance | Solid Capacitors        
Restructuring Charges        
Restructuring charges 500   500  
Reconciliation of restructuring liability        
Costs charged to expense $ (500)   $ (500)